Thermal energy transport in oxide nuclear fuel
To efficiently capture the energy of the nuclear bond, advanced nuclear reactor concepts
seek solid fuels that must withstand unprecedented temperature and radiation extremes. In …
seek solid fuels that must withstand unprecedented temperature and radiation extremes. In …
Fission gas release from UO2 nuclear fuel: A review
J Rest, MWD Cooper, J Spino, JA Turnbull… - Journal of Nuclear …, 2019 - Elsevier
Gaseous fission product generation, transport, and release can have a large impact on
nuclear fuel performance, degrading fuel and fuel–cladding gap properties. Over the past …
nuclear fuel performance, degrading fuel and fuel–cladding gap properties. Over the past …
Reduced anharmonic phonon scattering cross-section slows the decrease of thermal conductivity with temperature
Without anharmonic phonon scattering, crystals could have infinite or “super” intrinsic bulk
thermal conductivity. Anharmonic phonon scattering rates usually increase with temperature …
thermal conductivity. Anharmonic phonon scattering rates usually increase with temperature …
Cluster dynamics simulation of xenon diffusion during irradiation in UO2
Diffusion of fission gas in UO 2 nuclear fuel impacts several important performance metrics,
such as fission gas release, swelling, and thermal conductivity. Current empirical models of …
such as fission gas release, swelling, and thermal conductivity. Current empirical models of …
Impact of irradiation induced dislocation loops on thermal conductivity in ceramics
M Khafizov, J Pakarinen, L He… - Journal of the American …, 2019 - Wiley Online Library
Experimental work aimed at understanding the role of dislocation loops in limiting phonon
mediated thermal transport in ceramics is presented. Faulted dislocation loops, having …
mediated thermal transport in ceramics is presented. Faulted dislocation loops, having …
[HTML][HTML] The influence of lattice defects, recombination, and clustering on thermal transport in single crystal thorium dioxide
Thermal transport is a key performance metric for thorium dioxide in many applications
where defect-generating radiation fields are present. An understanding of the effect of …
where defect-generating radiation fields are present. An understanding of the effect of …
An integrated experimental and computational investigation of defect and microstructural effects on thermal transport in thorium dioxide
Advanced nuclear reactor concepts aim to use fuels that must withstand unprecedented
temperature and radiation extremes. In these fuels, thermal energy transport under …
temperature and radiation extremes. In these fuels, thermal energy transport under …
Sensitivity of UO2 fuel performance to microstructural evolutions driven by dilute additives
Use of dilute additives to nuclear fuel is being considered to increase the security of
commercial fuel management through traceability of fabricated fuel elements. Taggants, as …
commercial fuel management through traceability of fabricated fuel elements. Taggants, as …
The defect chemistry of UO2±x from atomistic simulations
Control of the defect chemistry in UO 2±x is important for manipulating nuclear fuel
properties and fuel performance. For example, the uranium vacancy concentration is critical …
properties and fuel performance. For example, the uranium vacancy concentration is critical …
[HTML][HTML] Measurement and interpretation of the thermo-physical properties of UO2 at high temperatures: The viral effect of oxygen defects
Values are reported of specific heat, thermal conductivity and thermal diffusivity of UO 2 from
1500 K to 2900 K based on laser flash measurements. Experiment is complemented by the …
1500 K to 2900 K based on laser flash measurements. Experiment is complemented by the …